Get tweet by lang - Java Social Media

Java examples for Social Media:Twitter

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Description

Get tweet by lang

Demo Code



import twitter4j.conf.*;
import twitter4j.*;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import twitter4j.auth.*;
import twitter4j.api.*;
import java.util.*;
import java.util.regex.*;
import java.io.*;

public class twitWalk {

  Twitter twitter; // twitter object for processing

  // Queries// w  ww.  j a  v a  2  s  .  c o  m
  // String searchString = "#usopen";
  // String searchString = "taylor swift AND lang:en AND until:2015-09-17";

  // String searchString = "lang:en";
  // Queries

  List<Status> tweets; // twitter data

  int totalTweets; // count of tweets

  void setup(String filename, String lang, String query, String untilDate) // Setting up connection handler to twitter
  {

    ConfigurationBuilder cb = new ConfigurationBuilder();
    cb.setJSONStoreEnabled(true);
    cb.setOAuthConsumerKey("a");
    cb.setOAuthConsumerSecret("a");
    cb.setOAuthAccessToken("a-a");
    cb.setOAuthAccessTokenSecret("a");

    TwitterFactory tf = new TwitterFactory(cb.build());

    twitter = tf.getInstance();
    getNewTweets(filename, lang, query, untilDate);
  }

  void getNewTweets(String filename, String lang, String queryTweet, String untilDate) {

    String searchString = queryTweet + " AND lang:" + lang + " AND until:" + untilDate;

    // String searchString = "taylor swift AND lang:en AND until:2015-09-12";

    try {
      Query query = new Query(searchString);

      query.setCount(100); // by default its 15 set count
      QueryResult result = twitter.search(query);
      tweets = result.getTweets(); // the return of this function is list

      PrintWriter writer = new PrintWriter(filename + ".json", "UTF-8"); // name of the file "collection_1_en.json"

      writer.println("[");

      for (int i = 0; i < tweets.size(); i++) {

        String json = TwitterObjectFactory.getRawJSON(tweets.get(i));

        JSONObject obj = new JSONObject(json); // object that handles the recieved JSON format
        JSONObject newObj = new JSONObject(); // object that handles the final JSON format

        newObj.put("id", obj.getString("id")); // getting the id
        newObj.put("lang", obj.getString("lang")); // getting the lang

        newObj.put("favorited", obj.getString("favorited")); // getting the favourited status
        newObj.put("retweeted", obj.getString("retweeted")); // getting the retweet status

        // newObj.put("location", obj.getJSONObject("user").getString("location"));
        // //getting the location

        DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
        SimpleDateFormat sdf = new SimpleDateFormat("EEE MMM dd HH:mm:ss Z yyyy", Locale.US);
        Date date = sdf.parse(obj.getString("created_at"));
        newObj.put("created_at", formatter.format(date));

        if (obj.getString("lang").equals("en"))
          newObj.put("text_en", obj.getString("text"));
        else if (obj.getString("lang").equals("ru"))
          newObj.put("text_ru", obj.getString("text"));
        else if (obj.getString("lang").equals("de"))
          newObj.put("text_de", obj.getString("text"));

        JSONArray tempArray1 = obj.getJSONObject("entities").getJSONArray("urls");
        JSONArray tempArray2 = obj.getJSONObject("entities").getJSONArray("hashtags");

        if (tempArray1.length() == 0) {
          try {
            tempArray1 = obj.getJSONObject("entities").getJSONArray("media");
          } catch (Exception e) {
            tempArray1 = obj.getJSONObject("entities").getJSONArray("urls");
          }
        }

        JSONArray urlArray = new JSONArray();
        JSONArray hashTagsArray = new JSONArray();

        for (int index = 0; index < tempArray1.length(); index++) {
          JSONObject tempObj = tempArray1.getJSONObject(index);
          urlArray.put(tempObj.get("expanded_url"));
          // System.out.println("tempObj "+tempObj.toString());
        }

        for (int index = 0; index < tempArray2.length(); index++) {
          JSONObject tempObj = tempArray2.getJSONObject(index);
          hashTagsArray.put(tempObj.get("text"));
        }

        newObj.put("tweet_url", urlArray); // getting the lang
        newObj.put("tweet_hashtags", hashTagsArray); // getting the lang

        if (i < tweets.size() - 1) {
          writer.println(newObj + ",");
        } else {
          writer.println(newObj);
        }

      }
      writer.println("]");
      writer.close();

    } catch (Exception e) {
      System.out.println(e);
    }

  }

  public static void main(String[] args) {
    // System.out.println("TwitterGet.main");
    twitWalk TwitterGetObj = new twitWalk();

    /*
     * English Tweets
     * TwitterGetObj.setup("collection_1_en","en","taylor swift","2015-09-21");
     * TwitterGetObj.setup("collection_2_en","en","game of thrones","2015-09-21");
     * TwitterGetObj.setup("collection_3_en","en","eminem","2015-09-20");
     * TwitterGetObj.setup("collection_4_en","en","justin bieber","2015-09-20");
     * TwitterGetObj.setup("collection_5_en","en","#mockingjay","2015-09-21");
     * /*English Tweets
     * TwitterGetObj.setup("collection_6_en","en","#WorthItVMA","2015-09-21");
     * TwitterGetObj.setup("collection_7_en","en","#marvel","2015-09-21");
     * TwitterGetObj.setup("collection_8_en","en","#batmanvssuperman","2015-09-21");
     */

    TwitterGetObj.setup("collection_7_de", "de", "rammstein", "2015-09-21");
  }
}

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